Life-saving boat



July 31, 1923.

I A. BAUMGART LIFE SAVING BOAT 2 Sheets-Sheet 1 Filed Jan. 18, 1923 A.awmgr 81 nueMo'o I July 31, 1923.

A. BAUMGART LIFE SAVING BOAT I Filed Jan. 18,. 1925 2 Shee'ts-Shget 2 5 vwewbbz ?atented duly El, 1923,

inn-tree raiser AUGUST Bewitched, or Linn, wasnrne ronr 1 I LIFE-SAVING BOAT.

Applicationfiledffanuary is, 1923. Serial in. 613,471.

To all whom it may concern Be it known that I, AUeUsr BAUMGART, a citizen oi the United States, residing at Lind, in the county of Adams and State of VVashingtomhave invented a new and useful Life-Saving Boat, of which the following is a specification. i

The device forming the subject matter of this application is a life saving boat of that general sort shown in my Patent No. 811,815, granted on Feb. 6, 1906, and one object 01" the invention is to provide novel means whereby a circulation of air may be secured through the boat, means being provided whereby the port holes in the bow of the boat may be closed automatically, when the water rises about the boat, or when the boat pitches or rolls in a sea-way. f

It is within the province of the disclosure to improve generally and to enhanoethe utility of devices of that type to which the invention appertains.

With the above and other objects in view, which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described tail enlarged from Figure 1; Figure dis a;

wherein fragmental longitudinal section parts appear in elevation; Figure 5 is a transverse section showing, in elevation, the parts depicted in Figure l; and Figure 6 is a cross sect-ion on the line 66 of Figure 4.

The boat forming the subject matter of this application comprises a bow member 1, a stern member 2,- and an inner hull 3 connected by tubularextensions twith thebow ember '1 and withthe stern member An outer hull 6 is provided, and :is rotatable about the inner hull 3, the outer hull being adapted to receive the force of the waves, as in my former patent. Rollers 7 are carried by the outer hull 6.and cooperate with the lower portion of the inner hull 3. Rollers 8 are carried by the bow member 1 and the stern member 2 and coact with the end portions of the outer hull 6 .3.11 desired, balls 9 maybe interposed between the bow member 1 .and the stern member 2, on the one hand,and the ends ofthe outer hull '6, the balls 9 being located in the lower portion of the boat, within annular flanges l0 which,

being carried by the bow member land the stern member 2, coact with the end portions i I of the outer hull 6'and prevent theentranceof water. Annular members 11' are'Provided, each annular member comprisi-ng'a body 12, an outstanding: flange 14 and anin- Wardly extended flange 15. Annular closures :16 are secured at 17 tothe body-12,. the flange 14 out each annular member being secured as at 18 to the end portions of the outerhull 6. A packing 19 is located between one closure lfiian'd the inwardly pro- JQCtlIlg flange 15,-balls being disposed between theflange 15 and the closure 16. Theballs 2Q and the packing l9coact with the tubular extensions 4, as specified .inmy' prior patent above mentioned. a

A shaft '21 extends through one of the tubular parts a; and carries a. propeller 22,:the shaft being adapted to be driven by any modern and eilicient power. A rudder 23 is carried by a skeg 24 and is operatedby a tiller 25 located in the sterncompartment 2.

Access is had to the stern: compartment2.

by way of a hatch 26 which is hingedly mounted at 27 and is .held closed by a latch 28. A tunnel 29 communicates with the stern member 2 and isunder the control of a valve 30,.the funnel carrying, at its outer end, a hinged cap 31. Acccss is had to the bow compartment 1 thrbugh abhatch-32 which is hingedly mounted at 33 andis held at 34, by a latch, in closed position. It is to 1 i be observed that the bowzmeinber 1 isnot provided with'any lunnelplilre:the part 29.- Consequently, th forward hatchg32may be opened as widely as .desiredi As shown in Figuredport holes 85ers formed in the sides of the boatand communie.

rate with theibow compartment l. It is- -1ntended that the a r shall-enter through the port holes 85, circulate through theinnerhull 3 and pass out through the funnel 29.

, The port holes 35ers under the eontrolof hingedly mounted closures A means is provided whereby the membersiib' may be 1 closed automatically, when the water rises to apredetermined height about theboat, for instance, whilst the boat is being loaded. It 1s contemplated, further, that the members 36 shall be closed automatically when the boat rocks or swings in a sea-way.

Having the foregoing considerations in mind, the outer ends of links 37 are pivoted to the closures 36, the inner ends of the links being pivoted to a weight 38 mounted for reciprocation on a well 39, opening through the bottom of the craft, the well constituting a guide for the weight. The well 39 has out wardly, extended tables 4:0 carrying compression spring -11 which serve to cushion the I movement of the weight 38, when the same moves downwardly, as hereinbefore described. The weight 38 has a keeper a2 Whejrewith is engaged the bill of a latch la fulcrumed intermediate its ends at on the well 39. At its upper end, the latch has a transverse arm 46. A float at? is mounted for reciprocation in the well 39 responsive to changes of level in the water in thewell. At its upper end, the float -17 is provided with a valve having conical sur.- faces 48 and 49, the surface 9 being adaptedto cooperate with an inclined seat 50. on

the well 39, and the surface 49 being adapted to cooperate with an inclined seat 51 on the well.

the corresponding seat, and, thus, water will be )revented from leaking out of the upper one of the'well, when the float a7 is raised sufliciently by the action of the water in the well 39,. The valve portion of the float lT hasa stem 54: carrying at its upper end an outstanding projection 52 carrying an inclined cam part 53vadapted to coact with the armlG on the latch l4. y

A support 55 .extends between the upper end of the well 39 and the adjacent portion of the bow compartment 1, and on the support. 55, a pendulum 56 is mounted to swing, the pendulum including a weight 57. The pendulum 56 has an outstanding arm 58 provided with a transvcrse head 59 which is:

' coacting with the latch in away to be described hereinafter. I

Let it be supposed that the members36 are open, as shown in Figure 5, that, due to a loading-of the boat or otherwise, water rises in the well 39. Then, thefloat 4.7 will,

be elevated, and the cam portion 53 of the bracket onthe stem 5l of theiioat will coact with the arm l6 the latch 44:, the latch swinging on'its fulcrum 4:5, and the bill 7 of'th'e latch being disengaged from the keeper 42 on the weight 38, whereupon the.

weight will-slide downwardly on the well 39 untll theweight s received by the cushioning springs 41. As the weight 38 moves downwardly, the links 3? will; be carried out- One of the conical surfaces of the valve on the float Wlll always cooperate with a sea running, and under such circumstances,

it may be desirable to close the port holes" 35 automatically. \Vhen the vessel rolls, the

pendulum 56 swings on its support 55,

the cam edges 60 of the arm 58 on thependulum, coacting with the lower portion oftne latch 44;, tilt the latch on its fulcrum 45, the

bill 413 of the latch being disengaged from the keeper 52, whereupon the weight 38 will 7 slide downwardly, as aforesaid, the links3? closing the members 36 with respect to the port holes 35.

Having thus described the invention, what is claimed is .1. In a device of the class described, a

boat having an opening; a door for the open.- mg; weight-actuated means for moving the door toclosed position; a latch cooperating wit-h the weight-actuated means to maintain the door in open position; float-actuated 'meclianis-m coacting with the latch to v re 7 lease the latch from the weight-actuated with the weight-actuated means to maintain the door in open position;-ineans responsive to a-settling of the boat in the water for disengaging the latch from the weight-actuated means; and means responsive to a rolling of the boat in a sea way for disengaging the latch from the eight actuated means.

3. 'In a device of the class described, a boat having an opening; a door for the opening; means for moving the door to aclosed position; mechanism coacting with said means to holdthe door, in open position; and two devices coacting with said mechanism to disengage the same from said 1neans,-one

' of said devices being float-operated, and the otherof'said devices being operated by movement of the boat in the water.

In testimony that I claim the foregoing as my own, I have hereto aifixed my signature.

of two witnesses.

. AUGUST BAUMGART.

Witnesses: Y 1

H. S. SHEA, E. B. SoHULz.

in the presence 

